20-letter words containing a, l, i, u, n, d
- multimedia extension — Matrix Math eXtensions
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- net national product — the gross national product less allowance for depreciation of capital goods. Abbreviation: NNP.
- nonaccidental injury — damage, such as a bruise, burn, or fracture, deliberately inflicted on a child or an old person
- noninstitutionalized — Not institutionalized.
- nostalgie de la boue — a desire for or attraction to crudity, vulgarity, depravity, etc.
- occupational disease — Also called industrial disease. a disease caused by the conditions or hazards of a particular occupation.
- pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
- pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
- pentose nucleic acid — a nucleic acid containing a pentose.
- permonosulfuric acid — persulfuric acid (def 1).
- perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
- physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
- prince william sound — a sound in the Gulf of Alaska, on the S coast of Alaska: S end of Trans-Alaska oil pipeline at port of Valdez.
- public administrator — an official of a city, county, or state government.
- qualitative identity — the relation that holds between two relata that have properties in common. This term is used to distinguish many uses of the words identical or same in ordinary language from strict identity or numerical identity
- quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
- queen elizabeth land — an area of British Antarctic Territory, situated south of Weddell Sea and between longitudes 20°W and 80°W, stretching from Filchner-Ronne Ice Shelf to the South Pole. Area: 437 000 sq km (169 000 sq miles)
- radial triangulation — triangulation based upon lines radiating from the center of each of two overlapping photographs to certain objects appearing on each photograph.
- refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
- ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
- rough-winged swallow — either of two New World swallows of the genus Stelgidopteryx, having outer primary feathers with small barblike hooks on the margins.
- shoulder-length hair — hair that reaches a person's shoulders
- sound-and-light show — a nighttime spectacle or performance, at which a building, historic site, etc., is illuminated and the historic significance is imparted to spectators by means of narration, sound effects, and music.
- south orkney islands — an uninhabited group of islands in the S Atlantic, southeast of Cape Horn: formerly a dependency of the Falkland Islands; part of the British Antarctic Territory since 1962 (claims are suspended under the Antarctic Treaty). Area: 621 sq km (240 sq miles)
- suitland-silver hill — a city in central Maryland, near Washington, D.C.
- terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
- thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
- troilus and cressida — a satiric comedy (1598–1602?) by Shakespeare.
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- underground railroad — Also called underground railway. a railroad running through a continuous tunnel, as under city streets; subway.
- united arab republic — a name given the union of Egypt and Syria from 1958 to 1961; after that, the official name of Egypt alone until 1971. Abbreviation: U.A.R.
- unsaddling enclosure — the area at a racecourse where horses are unsaddled after a race and often where awards are given to owners, trainers, and jockeys
- uranium hexafluoride — a colorless, water-insoluble, crystalline, volatile solid, UF 6 , used in its gaseous state in separating uranium 235 from uranium.
- visual merchandising — Visual merchandising is the use of attractive displays and floor plans to increase customer numbers and sales volumes.
- visually handicapped — unable to carry out normal activities because of defects of vision, including blindness
- vocational education — educational training that provides practical experience in a particular occupational field, as agriculture, home economics, or industry.
- walking-around money — money that is carried on the person for routine expenses and minor emergencies; pocket money.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- wilson cloud chamber — cloud chamber.
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.